17200625

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:135

約数の個数: 40

約数和(自身を含む): 24273480

約数和(自身を除く): 7072855

約数列:

[1, 5, 13, 25, 29, 65, 73, 125, 145, 325, 365, 377, 625, 725, 949, 1625, 1825, 1885, 2117, 3625, 4745, 8125, 9125, 9425, 10585, 18125, 23725, 27521, 45625, 47125, 52925, 118625, 137605, 235625, 264625, 593125, 688025, 1323125, 3440125, 17200625]

約数ペア:

[(1, 17200625), (5, 3440125), (13, 1323125), (25, 688025), (29, 593125), (65, 264625), (73, 235625), (125, 137605), (145, 118625), (325, 52925), (365, 47125), (377, 45625), (625, 27521), (725, 23725), (949, 18125), (1625, 10585), (1825, 9425), (1885, 9125), (2117, 8125), (3625, 4745)]